The government said Tuesday it will ask companies and households across Japan to save electricity due to a possible power crunch in the summer and winter.

It will be the first time since fiscal 2015 that the government has filed such a request on a nationwide scale. The last such occurrence came in the wake of the 2011 Fukushima nuclear disaster, triggered by a massive earthquake and tsunami, when the government asked that energy be saved from fiscal 2012.

In a meeting of relevant Cabinet ministers, Chief Cabinet Secretary Hirokazu Matsuno asked the public to conserve energy but said the government will not set numerical targets to address supply concerns, at least for this summer.